Correlation Between Preoperative Knee Extension Lag and Functional Outcome After Total Knee Arthroplasty

NCT05833152 | Completed

• 1 other identifier: M2022846
• Study Type: observational
• Target: 48
• Locations: 1 country
• Sites: 1

Brief Summary

To explore the relationship between different knee extension hysteresis angles and functional outcome of knee joint after total knee replacement

Conditions

Extension Lag; Total Knee Arthroplasty

Outcome Measures

Primary Outcomes (1)

• WOMAC

  Knee functional scale

  three months after surgery

Secondary Outcomes (2)

• Thickness of vastus medialis muscle

  three months after surgery

• range of motion

  three months after surgery

Study Arms (4)

<5°

Procedure: total knee arthroplasty

5-10°

Procedure: total knee arthroplasty

10-15°

Procedure: total knee arthroplasty

≥15°

Procedure: total knee arthroplasty

Interventions

total knee arthroplasty PROCEDURE

To observe the postoperative functional outcome of patients with knee extension lag at different angles

10-15°; 5-10°; <5°; ≥15°

Eligibility Criteria

• Age: 45 Years+
• Sex: all
• Healthy Volunteers: No
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

Patients admitted to the Department of Orthopaedics of Peking University Third Hospital for total knee arthroplasty

You may qualify if:

• (1) Patients who meet the diagnostic criteria of knee osteoarthritis (age \>45 years old); (2) Patients admitted to the Department of Orthopedics of the Third Hospital of Beijing Medical University and preparing to receive TKA surgery; (3) The patient has good cognitive function and good compliance, and can cooperate with various examinations; (4) Voluntarily participate in the study and sign the informed consent;

You may not qualify if:

• (1) Patients with lower extremity fracture and severe lumbar spinal stenosis that affect postoperative functional recovery; (2) Patients with severe cerebrovascular disease who cannot cooperate with postoperative rehabilitation exercise; (3) The time interval of double knee replacement was less than 3 months.

Sponsors & Collaborators

• Peking University Third Hospital: lead

Study Sites (1)

Peking University Third Hospital

Beijing, 100191, China

Location

Related Publications (1)

• McGinn TL, Etcheson JI, Gwam CU, George NE, Mohamed NS, Mistry JB, Ananaba U, Bhave A. Short-term outcomes for total knee arthroplasty patients with active extension lag. Ann Transl Med. 2018 Jun;6(11):204. doi: 10.21037/atm.2018.05.38.

  PMID: 30023367 BACKGROUND

MeSH Terms

Interventions

Arthroplasty, Replacement, Knee

Intervention Hierarchy (Ancestors)

Arthroplasty, Replacement; Arthroplasty; Orthopedic Procedures; Surgical Procedures, Operative; Plastic Surgery Procedures; Prosthesis Implantation

Study Officials

• Yang yanyan

  Peking University Third Hospital

  STUDY CHAIR

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: April 17, 2023
• First Posted: April 27, 2023
• Study Start: May 1, 2023
• Primary Completion: May 31, 2024
• Study Completion: May 31, 2024
• Last Updated: June 3, 2025

Record last verified: 2023-05

Data Sharing

• IPD Sharing: Will not share

Locations

CN (1)